Engine Mechanical:
Complete engine overhaul, disassembly, assembly, inspection, and repair procedures
Engine Management:
Fuel system, ignition system, emission control systems, ECU diagnostics, sensor operations
Transmission:
Manual and Automatic transmission service, overhaul, diagnostics, clutch system
Drivetrain:
Axles, driveshafts, differentials, wheel hubs, prop shafts
Brakes:
Hydraulic brake system, ABS, parking brake, brake component replacement and adjustment
Suspension:
Front and rear suspension components, steering linkage, alignment specifications
Steering:
Power steering system, steering column, steering gear/rack repair
Electrical System:
Battery, starting system, charging system, lighting, accessories, fuses, relays
Body And Chassis:
Body panel repair, doors, windows, interior trim, frame inspection and repair
HVAC:
Heating, Ventilation, and Air Conditioning system service and repair
Cooling System:
Radiator, water pump, thermostat, cooling fan, hoses
Exhaust System:
Exhaust manifold, catalytic converter, mufflers, pipes
Fuel System:
Fuel tank, fuel pump, fuel injectors, fuel lines, fuel filter
Routine Maintenance:
Oil changes, filter replacements, fluid checks and top-offs, lubrication points
Troubleshooting:
Diagnostic flowcharts, symptom-based troubleshooting guides, electrical circuit tracing
Component Replacement:
Step-by-step instructions for replacing all major and minor components
Rebuilding Procedures:
Complete overhaul instructions for engine, transmission, and differential assemblies
Torque Specifications:
Accurate torque values for all fasteners and critical components
Special Tools:
Identification and usage instructions for required specialized tools
Depth:
Comprehensive factory-level detail, suitable for professional technicians and advanced DIYers
Engine Model:
Isuzu 4JB1 Series (Common for NHR)
Engine Type:
4-cylinder, Inline, Turbocharged Diesel
Displacement:
Approximately 2.8 Liters (2771 cc)
Horsepower Range:
Typically between 90-110 HP (exact may vary by specific configuration)
Torque Range:
Typically between 160-180 lb-ft (exact may vary by specific configuration)
Injection Type:
Direct Injection, Bosch VE Rotary Pump or Common Rail (depending on variant)
Emission Controls:
Euro III/IV standards, EGR (Exhaust Gas Recirculation)
Wheelbase Options:
Multiple wheelbase configurations available (e.g., 2430mm, 2730mm, 3230mm - typical ranges)
Overall Length:
Varies significantly based on wheelbase and body style
Payload Capacity:
Typically ranges from 1.5 to 3.5 tons (depending on GVWR and configuration)
Gvwr:
Gross Vehicle Weight Rating varies, often between 3.5 to 5.0 tons
Oil Change Interval:
Typically every 5,000 - 10,000 km or 6-12 months, depending on operating conditions (refer to manual for specifics).
Air Filter Replacement:
Intervals vary, often tied to mileage or operating environment (e.g., 20,000 - 40,000 km).
Engine Oil Type:
API CH-4 or CI-4, SAE 15W-40 Diesel Engine Oil (confirm in manual for precise spec)
Coolant Type:
Ethylene Glycol based coolant, typically a Long Life formulation (e.g., Dex-Cool equivalent or Isuzu specific).
Transmission Fluid:
GL-4 Gear Oil for manual transmissions, ATF (Dexron III or equivalent) for automatics (confirm in manual).
Brake Fluid:
DOT 3 or DOT 4 Hydraulic Brake Fluid.
Common Wear Items:
Clutch wear, suspension bushings, exhaust components due to commercial usage.
Diesel Injector Service:
Regular checks and potential cleaning/replacement of diesel injectors, especially with fuel quality variations.
